October is one of the warmer months of the year in Jacksonville, with average highs near 26.8°C and lows around 16.6°C (mean 21.7°C). It is one of the drier months, averaging 90 mm of rainfall and 80% relative humidity across the period.
October is one of the warmer months of the year in Jacksonville. Across 45 years of records, the warmest October in Jacksonville was 2019 — when the month averaged 24.8°C — while the coldest was 1987 at 19°C. Typical October days reach 26.8°C with nights near 16.6°C. The long-term trend is warming, about 0.2°C per decade.
October is one of the drier months in Jacksonville, averaging 90 mm of rainfall. The wettest October on record was 1994 with 250 mm, while the driest was 1987 at 6 mm.
Relative humidity in Jacksonville during October averages 80%. The most humid October was 2020 at 87%, and the least humid was 2006 at 65%.
October receives about 4.1 kWh/m²/day of solar energy in Jacksonville. The sunniest October was 2010 at 5 kWh/m²/day, and the cloudiest was 1993 at 3.4.
Average wind speed in Jacksonville during October is 0.7 m/s. The windiest Octobers were 1987 and 2016 at 0.8 m/s, while the calmest was 2002 at 0.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.5°C | 21.4°C | 21.6°C | 22.0°C | 22.2°C | +0.7°C |
| Avg High | 26.5°C | 26.2°C | 26.8°C | 27.5°C | 27.4°C | +0.9°C |
| Avg Low | 16.5°C | 16.7°C | 16.4°C | 16.6°C | 17.0°C | +0.5°C |
| Avg Rain | 68 mm | 149 mm | 81 mm | 73 mm | 66 mm | -1 mm |
October temperatures in Jacksonville have fallen by about 0.5°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 1°C (2008) to a record high of 36.5°C (2023).
Rainfall in October is one of the drier months, averaging 90 mm, with a wettest year of 250 mm.
One of the best times to visit Jacksonville
October is one of the best times to visit Jacksonville. Expect days averaging 26.8°C and nights around 16.6°C (mean 21.7°C) — close to Jacksonville's yearly average — with higher rainfall (90 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 27.9°C | 22.4°C | 17.0°C | 32.0°C | 7.4°C | 49 mm | 75% | 0.7 m/s | 4.1 |
| 2024 | 26.8°C | 21.9°C | 17.0°C | 31.0°C | 7.2°C | 63 mm | 85% | 0.7 m/s | 4.2 |
| 2023 | 27.6°C | 21.9°C | 16.3°C | 36.5°C | 8.4°C | 64 mm | 77% | 0.7 m/s | 4.5 |
| 2022 | 27.4°C | 20.8°C | 14.3°C | 31.2°C | 4.2°C | 36 mm | 75% | 0.6 m/s | 4.8 |
| 2021 | 27.3°C | 22.6°C | 17.9°C | 32.0°C | 10.3°C | 77 mm | 85% | 0.6 m/s | 4.3 |
| 2020 | 27.5°C | 23.5°C | 19.4°C | 31.0°C | 10.8°C | 107 mm | 87% | 0.6 m/s | 3.8 |
| 2019 🔥 | 29.9°C | 24.8°C | 19.6°C | 35.6°C | 12.1°C | 131 mm | 80% | 0.6 m/s | 3.9 |
| 2018 | 29.8°C | 24.4°C | 19.0°C | 35.2°C | 9.4°C | 48 mm | 74% | 0.7 m/s | 4.3 |
| 2017 | 26.3°C | 22.0°C | 17.7°C | 32.2°C | 3.2°C | 91 mm | 82% | 0.7 m/s | 4.4 |
| 2016 | 27.1°C | 22.0°C | 17.0°C | 32.9°C | 6.7°C | 171 mm | 81% | 0.8 m/s | 4.2 |
| 2015 | 26.6°C | 21.7°C | 16.8°C | 29.7°C | 11.1°C | 33 mm | 85% | 0.6 m/s | 4.1 |
| 2014 | 26.8°C | 20.8°C | 14.8°C | 31.2°C | 7.9°C | 38 mm | 79% | 0.6 m/s | 4.9 |
| 2013 | 27.8°C | 22.0°C | 16.2°C | 31.8°C | 6.6°C | 40 mm | 78% | 0.6 m/s | 4.3 |
| 2012 | 25.7°C | 20.8°C | 16.0°C | 31.4°C | 3.3°C | 67 mm | 83% | 0.6 m/s | 4.1 |
| 2011 | 25.8°C | 19.8°C | 13.8°C | 30.2°C | 5.4°C | 101 mm | 76% | 0.7 m/s | 4.4 |
| 2010 | 29.3°C | 22.0°C | 14.7°C | 34.1°C | 8.9°C | 8 mm | 67% | 0.6 m/s | 5 |
| 2009 | 28.2°C | 22.9°C | 17.6°C | 34.2°C | 5.6°C | 55 mm | 82% | 0.6 m/s | 3.9 |
| 2008 | 24.6°C | 19.5°C | 14.3°C | 29.1°C | 1.0°C | 90 mm | 82% | 0.7 m/s | 4.2 |
| 2007 | 26.7°C | 22.9°C | 19.2°C | 30.9°C | 10.4°C | 196 mm | 86% | 0.7 m/s | 3.5 |
| 2006 | 28.6°C | 22.0°C | 15.3°C | 34.0°C | 5.4°C | 57 mm | 65% | 0.7 m/s | 4.3 |
| 2005 | 26.0°C | 21.4°C | 16.7°C | 31.7°C | 4.3°C | 167 mm | 83% | 0.7 m/s | 3.8 |
| 2004 | 27.0°C | 22.3°C | 17.5°C | 32.7°C | 7.6°C | 46 mm | 85% | 0.6 m/s | 4.3 |
| 2003 | 27.6°C | 22.2°C | 16.9°C | 31.6°C | 11.1°C | 87 mm | 78% | 0.6 m/s | 4 |
| 2002 | 28.3°C | 23.6°C | 19.0°C | 32.8°C | 9.4°C | 89 mm | 85% | 0.5 m/s | 4 |
| 2001 | 25.1°C | 19.8°C | 14.4°C | 31.4°C | 4.2°C | 10 mm | 77% | 0.7 m/s | 4.5 |
| 2000 | 25.6°C | 19.5°C | 13.5°C | 31.2°C | 6.0°C | 16 mm | 77% | 0.7 m/s | 4.6 |
| 1999 | 26.1°C | 21.2°C | 16.4°C | 30.4°C | 4.6°C | 65 mm | 82% | 0.7 m/s | 4 |
| 1998 | 27.1°C | 22.1°C | 17.1°C | 30.6°C | 10.1°C | 56 mm | 82% | 0.6 m/s | 4.5 |
| 1997 | 26.8°C | 21.6°C | 16.5°C | 32.7°C | 5.3°C | 161 mm | 77% | 0.7 m/s | 3.9 |
| 1996 | 25.2°C | 20.7°C | 16.2°C | 29.5°C | 4.6°C | 237 mm | 84% | 0.7 m/s | 3.9 |
| 1995 | 26.4°C | 22.2°C | 18.0°C | 30.7°C | 7.5°C | 96 mm | 85% | 0.7 m/s | 3.8 |
| 1994 🌧️ | 26.0°C | 21.7°C | 17.4°C | 30.5°C | 10.8°C | 250 mm | 87% | 0.6 m/s | 3.5 |
| 1993 | 26.7°C | 21.7°C | 16.8°C | 31.3°C | 3.4°C | 211 mm | 82% | 0.7 m/s | 3.4 |
| 1992 | 24.4°C | 19.6°C | 14.8°C | 29.8°C | 7.7°C | 173 mm | 85% | 0.7 m/s | 3.6 |
| 1991 | 25.3°C | 20.6°C | 16.0°C | 30.5°C | 8.1°C | 97 mm | 83% | 0.6 m/s | 4.1 |
| 1990 | 27.6°C | 22.5°C | 17.4°C | 35.0°C | 6.4°C | 140 mm | 77% | 0.7 m/s | 4.4 |
| 1989 | 25.1°C | 20.4°C | 15.8°C | 31.5°C | 2.1°C | 62 mm | 85% | 0.7 m/s | 3.8 |
| 1988 | 24.4°C | 19.1°C | 13.8°C | 29.9°C | 7.2°C | 47 mm | 81% | 0.6 m/s | 4.2 |
| 1987 ❄️ | 25.1°C | 19.0°C | 12.9°C | 29.7°C | 6.4°C | 6 mm | 69% | 0.8 m/s | 4.3 |
| 1986 | 27.8°C | 22.8°C | 17.8°C | 35.8°C | 9.8°C | 79 mm | 76% | 0.6 m/s | 3.6 |
| 1985 | 27.8°C | 24.0°C | 20.1°C | 31.5°C | 10.1°C | 158 mm | 87% | 0.6 m/s | 3.5 |
| 1984 | 27.9°C | 22.9°C | 17.9°C | 31.4°C | 8.6°C | 40 mm | 80% | 0.6 m/s | 4.1 |
| 1983 | 27.3°C | 22.5°C | 17.7°C | 32.5°C | 8.6°C | 91 mm | 81% | 0.6 m/s | — |
| 1982 | 25.6°C | 20.8°C | 16.1°C | 31.2°C | 5.3°C | 85 mm | 82% | 0.6 m/s | — |
| 1981 | 27.8°C | 22.0°C | 16.2°C | 33.7°C | 8.5°C | 41 mm | 72% | 0.7 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 26.8°C with lows near 16.6°C (mean 21.7°C), based on 45 years of NASA POWER data.
October averages 90 mm of rainfall in Jacksonville, one of the drier months. The wettest on record was 250 mm in 1994.
The hottest October reached 36.5°C in 2023. The coldest dipped to 1°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have fallen by about 0.5°C — but days and nights have moved in opposite directions. Daytime highs rose from 27.3°C to 27.4°C while overnight lows fell from 17.6°C to 16.5°C, widening the gap between day and night.
October is one of the warmer months of the year in Jacksonville and one of the drier months, so plan for around 26.8°C daytime highs and 16.6°C at night.
Not quite — October is the 7th coolest month in Jacksonville, averaging 21.7°C.
For October in Jacksonville, pack light layers you can adjust through the day, with typical highs of 26.8°C and lows of 16.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 80% — quite humid.
Average wind speed in October is 0.7 m/s. The windiest October on record averaged 0.8 m/s (1987).
The wettest October on record was 1994 with 250 mm. On average, October sees 90 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Jacksonville behaves each October, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for October specifically, along with year-by-year records and how the month has changed over the decades.